[U-Boot] [PATCH V4] drivers/usb/host/ohci-hcd: undef readl/writel before redefining

[Becky Bruce]

This avoids a build warning that you see if anyone in the
header chain has included io.h (which is coming shortly).  I
also move this to the "ohci.h" header file in the same dir,
which is cleaner.

Signed-off-by: Becky Bruce <beckyb at kernel.crashing.org>
---
 drivers/usb/host/ohci-hcd.c |   11 -----------
 drivers/usb/host/ohci.h     |   13 +++++++++++++
 2 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index b03a600..3ffdc9d 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -83,17 +83,6 @@
 #define OHCI_CONTROL_INIT \
 	(OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE
 
-/*
- * e.g. PCI controllers need this
- */
-#ifdef CONFIG_SYS_OHCI_SWAP_REG_ACCESS
-# define readl(a) __swap_32(*((volatile u32 *)(a)))
-# define writel(a, b) (*((volatile u32 *)(b)) = __swap_32((volatile u32)a))
-#else
-# define readl(a) (*((volatile u32 *)(a)))
-# define writel(a, b) (*((volatile u32 *)(b)) = ((volatile u32)a))
-#endif /* CONFIG_SYS_OHCI_SWAP_REG_ACCESS */
-
 #define min_t(type, x, y) \
 		    ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
 
diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index 79aa79d..fa4ecc8 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -7,6 +7,19 @@
  * usb-ohci.h
  */
 
+/*
+ * e.g. PCI controllers need this
+ */
+#undef readl
+#undef writel
+#ifdef CONFIG_SYS_OHCI_SWAP_REG_ACCESS
+# define readl(a) __swap_32(*((volatile u32 *)(a)))
+# define writel(a, b) (*((volatile u32 *)(b)) = __swap_32((volatile u32)a))
+#else
+# define readl(a) (*((volatile u32 *)(a)))
+# define writel(a, b) (*((volatile u32 *)(b)) = ((volatile u32)a))
+#endif /* CONFIG_SYS_OHCI_SWAP_REG_ACCESS */
+
 /* functions for doing board or CPU specific setup/cleanup */
 extern int usb_board_init(void);
 extern int usb_board_stop(void);
-- 
1.6.0.6